Why am I losing muscle mass even though I workout?

Author: Edison Steuber  |  Last update: Sunday, November 23, 2025

If you're not training hard enough, progressing, or you're overtraining, you can see muscle mass go down, even if you're in the gym everyday. If your calories or protein are too low, you will see a decrease in muscle mass, even if you are getting stronger.

How do I stop losing muscle mass?

Prevention
  1. Make healthy food choices: Maintain a healthy diet that includes high-quality proteins. ...
  2. Exercise: Maintain a physically active lifestyle that includes exercises such as resistance training.
  3. Routine physicals: See your healthcare provider regularly, and let them know about any changes in your health.

Why are my muscles getting smaller even though I workout?

After an intense workout, muscles undergo micro-tears, leading to inflammation. This can cause temporary swelling, but as the inflammation subsides, the muscles may appear smaller until they fully recover.

Why am I losing muscle mass instead of body fat?

Losing muscle while retaining fat can occur due to various factors such as inadequate protein intake, excessive calorie deficit, or lack of resistance training. To preserve muscle mass during weight loss, prioritize protein-rich foods, incorporate strength training exercises, and avoid overly restrictive diets.

Can you regain lost muscle mass?

The good news is that strength training can help you maintain and rebuild muscle at any age. Research shows that older adults see even greater improvements in their muscle strength versus younger adults. "So it's never too late to start,” says Pamela Webert, MS, ACSM-CEP, an exercise physiologist at Henry Ford Health.

How To Prevent Muscle Loss When Dieting (Science Explained)

What deficiency causes muscle loss?

Vitamin D deficiency leads to muscle wasting in both animals and humans.

What should we eat to gain muscle?

Best foods to build muscle
  • Eggs. Eggs have been called the perfect protein. ...
  • Greek yogurt. Thick and creamy, Greek yogurt is a high-quality protein source. ...
  • Oatmeal. A balanced diet to help build muscle isn't all about protein. ...
  • Almonds. Almonds are small but mighty. ...
  • Edamame. ...
  • Pumpkin seeds. ...
  • Quinoa. ...
  • Salmon.

How do I tell if I'm losing fat or muscle?

Your body fat percentage isn't budging.

If you're losing weight but your body fat percentage is staying the same, it's probably a sign you're losing muscle. "Your body won't shape the way you want. You'll notice shrinking circumferences, but the pinch-able fat is the same," says Dr. Nadolsky.

What vitamin stops age-related muscle loss?

Vitamin D may be protective for muscle loss; a more alkalinogenic diet and diets higher in the anti-oxidant nutrients vitamin C and vitamin E may also prevent muscle loss.

How to gain muscle mass fast?

Resistance training for muscle gain

Resistance training promotes muscle growth. Examples of resistance training include the use of free weights, weight machines, your own body weight or resistance bands. Suggestions include: Train just two or three times per week to give your muscles time to recover.

What diseases cause muscle loss?

Motor neuron diseases:
  • Amyotrophic lateral sclerosis, or motor neuron disease.
  • Infantile progressive spinal muscular atrophy.
  • Intermediate spinal muscular atrophy.
  • Juvenile spinal muscular atrophy.
  • Adult spinal muscular atrophy.
  • Progressive muscular atrophy.
  • Infectious myelitis (polio, West Nile)

Is lifting weights 3 times a week enough to build muscle?

For most people, strength training two to three times a week is sufficient, but if you prefer to split training different muscle groups, then you can train up to five days a week. Just remember to recover at least 48 hours between working muscle groups.

How do I stop my muscles from shrinking?

Disuse (physiologic) atrophy can be treated with regular exercise and better nutrition. Your healthcare provider may recommend physical therapy or an exercise plan.

What are the three main diseases that affect the muscles?

Let's explore three of the most prominent conditions affecting the muscles and discuss treatment options.
  • Muscular Dystrophy (MD) Muscular dystrophy is often the first name that comes to mind when discussing muscle diseases. ...
  • Myasthenia Gravis (MG) ...
  • Amyotrophic Lateral Sclerosis (ALS)

How to lose belly fat without losing weight?

Exercise can help reduce your waist circumference. Even if you don't lose weight, you lose visceral belly fat and gain muscle mass. Engage in at least 30 minutes of moderate-intensity activity most days, such as brisk walking or bicycling at a casual pace. Also create opportunities to add motion to routine tasks.

What do doctors prescribe for muscle wasting?

Corticosteroids. Corticosteroids, such as prednisone, are powerful anti-inflammatory medications often prescribed for people with Duchenne muscular dystrophy or Becker muscular dystrophy. These medications can help to delay muscle degeneration and retain strength. Corticosteroids can also prolong the ability to walk.

At what age do you start losing muscle mass?

The age-related loss of muscle mass can begin when someone is in their 40s. By their 60s, people start losing muscle mass on average around 1% per year. There are lots of factors that contribute to this, but anabolic resistance is a key one.

What vitamin is best for muscle repair?

Micronutrients for Muscle Recovery

Vitamin D: Supports muscle function and calcium absorption. You can get Vitamin D from sunlight, fatty fish, egg yolks, and fortified foods. Vitamin C: Helps reduce oxidative stress and inflammation. Vitamin C can be found in citrus fruits, strawberries, bell peppers, and broccoli.

Which drink reduces belly fat?

The article highlights five homemade morning drinks that assist in losing belly fat by enhancing metabolism and promoting fat burning. These beverages include honey-infused lemon water, jeera water, buttermilk or chaas, cinnamon tea, and green tea.

Is too much cardio bad for muscle gain?

In fact, newer studies have shown quite the opposite could be true: cardio doesn't inhibit muscle gain and may even help it. “In recent years, the body of research evidence indicates that doing concurrent training does not interfere with hypertrophy following resistance training,” Rosenkranz says.

How to flush out water weight?

  1. Exercise Regularly. Daily exercise provides several health benefits, including preventing water retention. ...
  2. Drink More Water. Drinking water to reduce water weight sounds counterintuitive, but it helps. ...
  3. Manage Salt Intake. ...
  4. Cut Carbs. ...
  5. Focus on Certain Foods and Herbs. ...
  6. Try Supplements. ...
  7. Up Your Caffeine Intake.

What to drink to gain muscle?

Bodybuilders rely on milk to gain weight and pack on muscle, typically drinking a gallon a day. Nowadays, chocolate milk is an ideal post-workout beverage, with a high carbohydrate and moderate protein ratio to replenish glycogen used during intense weight training.

Why am I gaining weight after working out for 3 weeks?

There are several research-backed reasons why you might notice a slight weight gain after exercise. These include muscle gain, water retention, post-workout inflammation, supplement use, or even undigested food. In most cases, post-workout weight gain is temporary.

Is peanut butter good for muscle gain?

Just one tablespoon of peanut butter has four grams of protein, making it a good source of protein for building muscle. Peanut butter is also a good source of monounsaturated fat and antioxidants as well as vitamins and minerals that will help your body stay healthy and function properly.

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